Exercise mat



FIG. 1 is a perspective view showing the front, top, and side of the exercise mat of the present design;

FIG. 2 is a view of the top of the exercise mat of the present invention;

FIG. 3 is an elevational view of one of the ends of the exercise mat of the present invention, the opposite end being a mirror image thereof;

FIG. 4 is an elevational view of one of the sides of the exercise mat of the present invention, the opposite end being a mirror image thereof; and,

FIG. 5 is a view of the bottom of the exercise mat of the present invention. 

CLAIM I claim the ornamental design for an exercise mat, as shown. 